Muscle innervations

  1. Serratus posterior superior
    Ventral rami of T2-5
  2. Serratus posterior inferior
    Ventral rami of T9-12
  3. Splenious capitis
    Dorsal rami of C2-5
  4. Splenius cervicis
    Dorsal rami of C2-5
  5. Iliocostalis cervicis, thoracis, and lumborum
    Dorsal rami of cervical, thoracic, and lumbar spinal nerves
  6. Longissimus capitis, cervicis, and thoracis
    Dorsal rami of cervical, thoracic, and lumbar spinal nerves
  7. Spinalis thoracis, (sometimes cervicis)
    Dorsal rami of cervical, thoracic, and lumbar spinal nerves
  8. Semispinalis capitis, cervicis, and thoracis
    Dorsal rami of cervical and thoracic spinal nerves
  9. Multifidus
    Dorsal rami of spinal nerves
  10. Rotatores brevis and longus
    Dorsal rami of spinal nerves
  11. Rectus capitis posterior major
    Suboccipital nerve (dorsal ramus of C1)
  12. Rectus capitis posterior minor
    Suboccipital nerve (dorsal ramus of C1)
  13. Obliquus capitis inferior
    Suboccipital nerve (dorsal ramus of C1)
  14. Obliquus capitis superior
    Suboccipital nerve (dorsal ramus of C1)
  15. External intercostals
    Corresponding intercostals nerves
  16. Internal intercostals
    Corresponding intercostals nerves
  17. Innermost intercostals
    Corresponding intercostals nerves
  18. Transversus thoracis
    Adjacent intercostals nerves
  19. Levatores costarum brevis and longus
    Dorsal rami of corresponding thoracic spinal nerves
  20. Diaphragm (sternal, costal, and lumbar parts)
    Phrenic nerve (C3,4,5) from cervical plexus
  21. External abdominal oblique
    7-12 Intercostal nerves
  22. Internal abdominal oblique
    7-12 intercostal nerves and 1st lumbar nerves
  23. Transversus abdominis
    7-12 intercostal nerves and 1st lumbar nerves
  24. Rectus abdominis
    6-12 intercostal nerves
  25. Quadratus lumborum
    subcostal nerve and ventral rami of upper 3 or 4 lumbar nerves (T12-L3/4)
Author
gcostabile
ID
45001
Card Set
Muscle innervations
Description
Anatomy
Updated